20287735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2917}}^1$

素因数の和:3042

約数の個数: 16

約数和(自身を含む): 26472096

約数和(自身を除く): 6184361

約数列:

[1, 5, 13, 65, 107, 535, 1391, 2917, 6955, 14585, 37921, 189605, 312119, 1560595, 4057547, 20287735]

約数ペア:

[(1, 20287735), (5, 4057547), (13, 1560595), (65, 312119), (107, 189605), (535, 37921), (1391, 14585), (2917, 6955)]